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4 20mm HSS Step Cone Drill Bit Spiral Straight Grooved Titanium Step Drill Bits Power Tool Accessories Metal Hole Cutter|Drill Bits| - AliExpress
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14mm 15mm 20mm 31mm Spitze Schneiden Durchmesser 1/2 "13mm Reduziert Schaft Metall HSS Twist bohrer Bit High Speed Stahl Bohren Loch Werkzeug|hole tool|steel drilldrill bit - AliExpress
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4-12/20/32mm Hss Titanium Coated Step Drill Bit Drilling Power Tools Metal High Speed Steel Wood Hole Cutter Step Cone Drill - Drill Bit - AliExpress
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Bosch DIY Metall-Bohrer HSS-R rollgewalzt 20 mm (2609255028) ab 15,21 € | Preisvergleich bei idealo.de
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Precision Twist Drill - 20mm, 2MT 118° Point High Speed Steel Taper Shank Drill Bit - 78534138 - MSC Industrial Supply
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